// yield/poll/fd_event.cpp

// Copyright (c) 2011 Minor Gordon
// All rights reserved

// This source file is part of the Yield project.

// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the Yield project nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL Minor Gordon BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#include "yield/assert.hpp"
#include "yield/poll/fd_event.hpp"

#ifndef _WIN32
#include <poll.h>
#endif

namespace yield {
namespace poll {
#ifdef _WIN32
const FDEvent::Type FDEvent::TYPE_ERROR = 0x0001;
const FDEvent::Type FDEvent::TYPE_HUP = 0x0002;
const FDEvent::Type FDEvent::TYPE_READ_READY = 0x0100;
const FDEvent::Type FDEvent::TYPE_WRITE_READY = 0x0010;
#else
const FDEvent::Type FDEvent::TYPE_ERROR = POLLERR;
const FDEvent::Type FDEvent::TYPE_HUP = POLLHUP;
const FDEvent::Type FDEvent::TYPE_READ_READY = POLLIN;
const FDEvent::Type FDEvent::TYPE_WRITE_READY = POLLOUT;
#endif

FDEvent::FDEvent(fd_t fd, Type type) : fd(fd), type(type) {
  debug_assert(
    type == TYPE_ERROR
    ||
    type == TYPE_HUP
    ||
    type == TYPE_READ_READY
    ||
    type == TYPE_WRITE_READY
  );
}
}
}